Home / 25,940.25-38,983.48-15,412.28

Finding the Fourth Proportional to 25,940.25, 38,983.48 and 15,412.28

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Solution

The fourth proportional to 25,940.25, 38,983.48 and 15,412.28 is: 23,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,940.25 : 38,983.48 = 15,412.28 : x
  2. Step 2: Convert to fraction form
    25,940.25/38,983.48 = 15,412.28/x
  3. Step 3: Cross multiply
    25,940.25x = 38,983.48 × 15,412.28
  4. Step 4: Simplify right side
    25,940.25x = 600,824,075.69
  5. Step 5: Solve for x
    x = 600,824,075.69/25,940.25
  6. Step 6: Final answer
    x = 23,161.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.